19,000+ local service businesses in Denver in our database, refreshed October 2026.
35% publish an email address — 6,700+ you can reach by cold email.
4,600+ have no website listed and 19,000+ have no Google rating yet.
47% of rated businesses hold 4.5★ or better.
Area codes
(303)12,000+
(720)5,400+
(970)118
(800)111
(888)86
(719)80
A few Denver businesses
Four Seasons Car WashCar Wash & Detailing
Watercourse FoodsCafes & Bakeries, Restaurants
Dance2BFitness & Gyms
LashSalons & Spas
Rocky Mountain Window & DoorConstruction
Federal Bar and GrillBars & Breweries, Restaurants
Comfort DentalDental
Rockies InnHotels
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.